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| Na~+浓度对反应体系成胶特性及SiO_2凝胶粉末性能的影响 | |
| 引用本文： | 申小清,赵金安,李中军,刘长让.Na~+浓度对反应体系成胶特性及SiO_2凝胶粉末性能的影响[J].化学研究,1999,10(3):25-28. |
| 作者姓名： | 申小清 赵金安 李中军 刘长让 |
| 作者单位： | 1. 河南中医学院中药系,郑州,450003 2. 河南城建高等专科学校,平顶山,467000 3. 郑州大学化学化工学院,郑州,450052 |
| 摘 要： | 以水玻璃为原料，乙酸乙酯为潜伏酸试剂，采用溶胶—凝胶法制备超细二氧化硅凝胶粉末。研究了成胶反应过程中Ｎａ＋ 浓度对反应体系成胶特性及最终所得二氧化硅凝胶粉末性能的影响，并用透射电镜和氮气物理吸附实验手段对粉末的有关性能进行了测试表征 |
| 关 键 词： | 二氧化硅 溶胶—凝胶法 粉体制备 |
| 文章编号： | 1008-1011(1999)03-0025-04 |
| 修稿时间： | 1999-02-10 |
Effect of Na+ Concentration on the Characteristics of Sol-Gel Formation and the Property of Silica Gel Powders |
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| Shen Xiaoqing,Zhao Jinan,Li Zhongjun,Liu Changrang.Effect of Na+ Concentration on the Characteristics of Sol-Gel Formation and the Property of Silica Gel Powders[J].Chemical Research,1999,10(3):25-28. | |
| Authors: | Shen Xiaoqing Zhao Jinan Li Zhongjun Liu Changrang |
| Abstract: | Ultrafine silica gel powders were prepared by means of sol gel with water glass and ethyl acetate as a latent acid reagent.The effect of Na concentration in the sol gel process on the characteristics of silica sol gel formation and the property of silica gel powders obtained was studied,and the products were characterized by TEM and nitrogen adsorption. |
| Keywords: | silica sol gel process powder preparation |
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